PYTHONPATH=/data/icais/bmnnsdk2-bm1684_v2.5.0/lib/sail/python3/soc/py35:$PYTHONPATH
PYTHONPATH=/data/icais/bmnnsdk2-bm1684_v2.5.0/lib/opencv/soc/opencv-python:$PYTHONPATH
export PYTHONPATH

LD_LIBRARY_PATH=/data/icais/bmnnsdk2-bm1684_v2.5.0/lib/opencv/soc:$LD_LIBRARY_PATH
export LD_LIBRARY_PATH